How to grow Trumpet Vine

Needs to be stratified.It can be trained against the support by selecting the main stem and chosen side shoots then pruning back secondary shoots to form flowering spurs. Similar to caring for a wisteria.
Grows easily from stem cuttings.

Use well drained compost and keep only lightly watered

Soil temperature should be kept higher than 15°C / 59°F to ensure good germination.

Trumpet vine needs to grow against some support, like a wall or a fence, but it is self supporting, and clings with adventitious roots It enjoys a sunny position and a wall will provide protection in locations where it is just hardy.

As Trumpet vine is very hardy, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.

These estimates for how long Trumpet vine takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.

‘radicans’ means that the stems have roots along their length.
Sometimes called “Hummingbird Vine” due to it’s ability to attract hummingbirds.

The name “cow itch” comes from an itchy sensation that some people get after touching the vine. The itchiness should only last a few minutes and not cause a long lasting rash like poison ivy does.¹³

Trumpet creeper, Cow-itch vine, Tecoma radicans, Bignonia radicans, hummingbird vine

Campsis radicans (L.) Seem. ex Bureau

¹ Mr Smarty Plants

² Lady Bird Johnson Wildflower Center

³ Missouri Botanical Garden